That seems awfully thick; most O scale photoetched kits don't use more than .020 or .030. Unless there is rivet or other detail etched into the roof, why not replace it with thinner?
Jace Kahn General Manager Ceres & Canisteo RR Co./Champlain County Traction Co. > I did a search on "curving brass sheet" and found this forum thread that may > be useful. > > http://forum.woodenboat.com/showthread.php?81225-Bending-brass > > You might want to test on a couple of pieces of plain .040 brass sheet before > doing the etched roof. I'd follow the suggestion of annealing, then roll the > roof using a metal rod or wood dowel on a padded surface (cutting mat or a > couple of dish towels should work). > > Pieter E. Roos > > I am assembling a brass > > steeplecab kit. All of the pieces come flat. > > The roof consists of a piece of 0.040" thick brass. > > (Wire gauge 19.) I am > > supposed to curve it to create a standard boxcab roof: flat > > with curves only > > from side-to-side. The radius at the edge is about > > 1/4 inch and the rest is a > > wide, gentle curve. > > > > I just shaped the first roof for my steeplecab fleet. > > It was not fun and I am > > not trilled with the results. (Fortunately a > > wooden pantograph platform will > > cover most of the mess.) The piece is too wide > > for my bending brake. My hands > > are not strong enough to shape this 0.040 or 19 gauge > > brass sheet. It is too > > slippery for my vice to hold with a rod plus I am > > trying to not damage the > > rivet detail. Do I need a specialty tool? > > > > This one is small at only 3 1/2 inches in length. I > > plan to build some big > > boxcabs, starting with a NYNH&H EF-3b. These will > > be the same width but much > > longer. > > > > I know these lists includes some masters of brass. > > How do you shape such > > things? > > Thorin > > > > ------------------------------------ > > Yahoo! Groups Links > > > [Non-text portions of this message have been removed] ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
